18: B
19: B
20: A

IV:

1: the best
2: as expensive as
3: the easiest
4: better
5: heavier
6: more suitable
7: most popular

V:

1: The hotel in California is not as good as the hotel in New York
2: German is not as easy as French
3: Glenn is not as friendly as Rick
4: Viet Nam is not as hot as Indonesia
5: Volleyball is not as exciting as football

VI:

1, 5, 6, 7: How many
2, 3, 4, 8: How much

VII:

1: any
2: bowls
3: any
4: for
5: much
6: else
7: fatter
8: with
9: left

IV.
1.the best
2.as expensive as
3.easy
4.better
5.heavier
6.more suitable
7.most popular
VII.
1.any
2.kind
3.a
4.for
5.much
6.else
7.fat
8.with
9.left